WO2022257055A1 - 一种可伸缩具有可实现立体发声场景的视频音响 - Google Patents

一种可伸缩具有可实现立体发声场景的视频音响 Download PDF

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WO2022257055A1
WO2022257055A1 PCT/CN2021/099268 CN2021099268W WO2022257055A1 WO 2022257055 A1 WO2022257055 A1 WO 2022257055A1 CN 2021099268 W CN2021099268 W CN 2021099268W WO 2022257055 A1 WO2022257055 A1 WO 2022257055A1
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box
speaker
sound box
sound
system capable
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PCT/CN2021/099268
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French (fr)
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朱彪
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朱彪
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers

Definitions

  • the utility model relates to a pull rod sound box, in particular to a telescopic video sound box capable of realizing a stereo sound scene.
  • the single outdoor speaker is either a mono-bass sound unit + treble sound unit two-way combination, or a bass sound unit + mid-range sound unit + treble sound unit three-way combination.
  • the single mobile video speaker is either made of karaoke system + mono bass sound unit + treble sound unit two-way combination; or karaoke system + bass sound unit + mid-range sound unit + treble sound unit three frequency combination.
  • the monomer sound box on the existing market does not all realize stereophonic effect.
  • the utility model designs a telescopic video audio system capable of realizing stereo sounding scenes, and solves the technical problem that none of the single sound boxes on the existing market can achieve stereo effects.
  • the utility model adopts the following scheme:
  • a scalable video audio system capable of realizing stereophonic sounding scenes comprising a box body in which a main sound box, a left sound box and a right sound box are arranged, and the left and right sides of the box body are respectively provided with an opening for the The left sound box or the right sound box enters and exits the box body, the left sound box includes a mid-bass speaker and a tweeter, and the right sound box also includes a mid-bass speaker and a tweeter; the left sound box and the The right speaker can leave or enter the box through the moving mechanism so as to adjust the width of the sound field and realize a stereo sound scene.
  • the moving mechanisms of the left sound box and the right sound box work independently of each other, and the moving distances of the left sound box and the right sound box can be the same or different.
  • the moving mechanism includes a fixed part and a moving part, the fixed part is connected to the inner wall of the box, the moving part is fixed on the left sound box or the right sound box, and the moving part and the The fixed part is movably connected and can move horizontally along the preset horizontal track of the fixed part.
  • the moving mechanisms of the left sound box and the right sound box cooperate with each other, and the left sound box and the right sound box move out of the box or enter the box synchronously.
  • the moving mechanism includes a gear and two racks, the first rack is connected to the left sound box, the second rack is connected to the right sound box, and both racks are engaged with the gear and When the gear rotates, the left speaker and the right speaker move in the same direction or move in the opposite direction.
  • the left speaker and the right speaker are located at the upper part of the box, the main speaker is located at the lower part of the box, and a display screen is also arranged at the upper part of the box.
  • the top of the box is provided with handles and/or fixing holes for the microphone, and the bottom of the box is provided with pulleys.
  • DSP audio processor also comprise DSP audio processor, the input end of described DSP audio processor is connected with power supply, signal amplifier and AUX audio input interface respectively, and the input end of described signal amplifier is respectively wireless microphone interface, wired microphone interface and musical instrument One or more of the interfaces; the output of the DSP audio processor is connected to two power amplifiers through electronic frequency division + preamplifier, one power amplifier is connected to the main speaker, and the other power amplifier is connected to the left The sound box is connected with the right sound box.
  • the DSP audio processor is also connected to a headphone amplifier and/or Bluetooth.
  • the Android core board is signal-connected with the DSP audio processor, the input end of the Android core board is connected with a power supply, a TF memory card, USB, and an infrared receiver, and the Android core board The output terminal of the core board is connected with the display screen.
  • the utility model realizes that the main speaker is a video entertainment terminal + subwoofer sounding unit, and the left and right channel speakers are independent boxes, which can expand and contract to both sides to adjust the width of the sound field to realize a stereo sound scene.
  • the utility model realizes the audio equipment of video KTV+subwoofer+stereo in a single movable trolley box. Let users experience an immersive audio-visual experience.
  • Figure 1 The use state diagram of the telescopic video audio system of the utility model that can realize stereophonic scenes
  • Figure 2 Schematic diagram of the back of Figure 1;
  • Figure 3 Schematic diagram of the exploded parts in Figure 1;
  • Figure 4 Schematic diagram of retractable audio speakers of the utility model with video speakers that can realize stereophonic scenes
  • Figure 5 A schematic structural view of the moving mechanism in the utility model
  • Fig. 6 A schematic diagram of the circuit control module of the telescopic audio system capable of realizing stereophonic scenes of the utility model.
  • a kind of telescopic video sound system that can realize the scene of stereophonic sound, comprises box body, is provided with main sound box 1, left sound box 2 and right sound box 3 in the box body, and the left and right sides of box body are respectively provided with a
  • the opening 8 is for the left speaker 2 or the right speaker 3 to enter and exit the cabinet, the left speaker 2 includes a mid-bass speaker and a tweeter, and the right speaker 3 includes a mid-bass speaker and a tweeter.
  • the left speaker 2 and the right speaker 3 can leave or enter the box through the moving mechanism so as to adjust the width of the sound field and realize a stereo sound scene.
  • the moving mechanisms of the left speaker 2 and the right speaker 3 work independently of each other, and the moving distances of the left speaker 2 and the right speaker 3 can be the same or different.
  • the first structure of the moving mechanism includes a fixed part 9 and a moving part 10, the fixed part 9 is connected on the inner wall of the box, the moving part 10 is fixed on the left sound box 2 or the right sound box 3, the moving part 10 is movably connected with the fixed part 9 and can Move horizontally along the preset horizontal track of the fixed part 9.
  • the left speaker 2 and the right speaker 3 are located at the upper part of the cabinet, the main speaker 1 is located at the lower part of the cabinet, and a display screen 4 is also arranged at the upper part of the cabinet.
  • the top of the box is provided with a handle 5 and/or a fixing hole for the microphone 6
  • the bottom of the box is provided with a pulley 7 .
  • the moving mechanisms of the left speaker 2 and the right speaker 3 cooperate with each other, and the left speaker 2 and the right speaker 3 move out of the cabinet synchronously or enter the cabinet synchronously.
  • the second structure of the moving mechanism includes a gear 12 and two racks, the first rack 13 is connected with the left speaker 2, the second rack 14 is connected with the right speaker 3, and both racks are connected with the gear 12. Mesh and when the gear 12 rotates, the left speaker 2 and the right speaker 3 move in the same direction or move in the opposite direction.
  • the circuit of the utility model realizes: install karaoke song ordering application through the Android system, connect the home TV through HDMI to realize the local display song ordering interface, and display the professional song ordering system of the MV interface on the home TV;
  • the DSP decoding chip processes the audio signals of the microphone and the left and right channels of the music, separates the subwoofer signal and the middle and high tones of the left and right channels through the electronic frequency division circuit, and then amplifies and drives a subwoofer sound unit from three different power amplifier channels. Stereo sound unit of two midrange + two tweeter combination speakers.
  • DSP audio processor the input end of DSP audio processor is connected with power supply, signal amplifier and AUX audio frequency input interface respectively, and the input end of signal amplifier is respectively one or more in wireless microphone interface, wired microphone interface and musical instrument interface
  • the output of the DSP audio processor is connected to two power amplifiers through electronic frequency division + preamplifier, one power amplifier is connected to the main speaker 1, and the other power amplifier is connected to the left speaker 2 and the right speaker 3, DSP audio processing
  • the speaker also connects with a headphone amplifier and/or Bluetooth.
  • Android core board Also includes Android core board, Android core board and DSP audio processor carry out signal connection, the input end of Android core board is connected with power supply, TF storage card, USB, infrared receiving head, the output end of Android core board is connected with display screen 6, The output end of the Android core board is connected to the home TV through HDMI to realize the local display song interface.
  • the utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the realization of the utility model is not limited by the above-mentioned method, as long as various improvements of the method concept and technical solutions of the utility model are adopted, or the utility model is not improved. Directly applying the conception and technical solutions of the utility model to other occasions is within the protection scope of the utility model.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)

Abstract

本申请涉及一种可伸缩具有可实现立体发声场景的视频音响，包括箱体，在箱体中设有主音箱(1)、左音箱(2)以及右音箱(3)，所述箱体左右两侧分别设有一开口(8)，所述开口(8)供所述左音箱(2)或所述右音箱(3)进出所述箱体，所述左音箱(2)和所述右音箱(3)通过移动机构能够离开或进入所述箱体从而调节声场宽度，实现立体发声场景。本申请实现了主音箱为视频娱乐终端加超重低音发声单元，左右声道的音箱为独立的箱体，并可以向两边伸缩以调节声场宽度，来实现立体发声场景。

Description

一种可伸缩具有可实现立体发声场景的视频音响 技术领域
本实用新型涉及一种拉杆音箱，尤其是涉及一种可伸缩具有可实现立体发声场景的视频音响。
背景技术
目前市场销售的2.1声道的超重低音音箱只存在于3个独立箱体。单体的户外音箱要么做的是单声道的中低音发声单元+高音发声单元两分频组合，要么是低音发声单元+中音发声单元+高音发声单元三分频组合。单体的移动视频音响要么做的是卡拉OK系统+单声道的中低音发声单元+高音发声单元两分频组合；要么是卡拉OK系统+低音发声单元+中音发声单元+高音发声单元三分频组合。现有市场上的单体音箱都没有实现立体声效果。
实用新型内容
本实用新型设计了一种可伸缩具有可实现立体发声场景的视频音响，其解决的技术问题是现有市场上的单体音箱都没有实现立体声效果。
为了解决上述存在的技术问题，本实用新型采用了以下方案：
一种可伸缩具有可实现立体发声场景的视频音响，包括箱体，在箱体中设有主音箱、左音箱以及右音箱，所述箱体左右两侧分别设有一开口，所述开口供所述左音箱或所述右音箱进出所述箱体，所述左音箱包括一个中低音喇叭和一个高音喇叭，所述右音箱也包括一个中低音喇叭和一个高音喇叭；所述左音箱和所述右音箱通过移动机构能够离开或进入所述箱体从而调节声场宽度，实现立体发声场景。
优选地，所述左音箱和所述右音箱的移动机构相互独立工作，所 述左音箱和所述右音箱移动的距离能够为相同或不同。
优选地，所述移动机构包括固定部和移动部，所述固定部连接在所述箱体内壁上，所述移动部固定在所述左音箱或所述右音箱上，所述移动部与所述固定部活动连接并且能够沿所述固定部预设水平轨道进行水平移动。
优选地，所述左音箱和所述右音箱的移动机构相互配合，所述左音箱和所述右音箱同步移出所述箱体或同步进入所述箱体。
优选地，所述移动机构包括齿轮和两根齿条，第一齿条与所述左音箱连接，第二齿条与所述右音箱连接，两根齿条都与所述齿轮啮合并且在所述齿轮旋转时实现所述左音箱和所述右音箱同向移动或反向移动。
优选地，所述左音箱和所述右音箱位于所述箱体上部，所述主音箱位于所述箱体的下部，在所述箱体的上部还设有显示屏。
优选地，所述箱体的顶部设有拉手和/或麦克风的固定孔，所述箱体的底部设有滑轮。
优选地，还包括DSP音频处理器，所述DSP音频处理器的输入端分别与电源、信号放大器以及AUX音频输入接口连接，所述信号放大器的输入端分别为无线话筒接口、有线话筒接口和乐器接口中的一个或多个；所述DSP音频处理器的输出端通过电子分频+前置放大器与两个功率放大器连接，一个功率放大器与所述主音箱连接，另一个功率放大器与所述左音箱和所述右音箱连接。
优选地，所述DSP音频处理器还与耳机放大器和/或蓝牙连接。
优选地，还包括安卓核心板，所述安卓核心板与所述DSP音频处理器进行信号连接，所述安卓核心板的输入端与电源、TF储存卡、USB、红外接收头连接，所述安卓核心板的输出端与显示屏连接。
该可伸缩具有可实现立体发声场景的视频音响具有以下有益效果：
(1)本实用新型实现了主音箱为视频娱乐终端+超重低音发声单元，左右声道的音箱为独立的箱体，并可以向两边伸缩以调节声场宽 度，来实现立体发声场景。
(2)本实用新型在单个移动拉杆箱体实现视频KTV+超重低音+立体声的音响设备。让用户体验身临其境的视听体验。
附图说明
图1：本实用新型可伸缩具有可实现立体发声场景的视频音响的使用状态图；
图2：图1背面示意图；
图3：图1中的部件分解示意图；
图4：本实用新型可伸缩具有可实现立体发声场景的视频音响的音箱收起示意图；
图5：本实用新型中的移动机构的一种结构示意图；
图6：本实用新型可伸缩具有可实现立体发声场景的视频音响的电路控制模块示意图。
附图标记说明：
1—主音箱；2—左音箱；3—右音箱；4—显示屏；5—拉手；6—麦克风；7—滑轮；8—开口；9—固定支架；10—移动滑轨；11—齿轮；12—第一齿条；13—第二齿条。
具体实施方式
下面结合图1至图6，对本实用新型做进一步说明：
如图1所示，一种可伸缩具有可实现立体发声场景的视频音响，包括箱体，在箱体中设有主音箱1、左音箱2以及右音箱3，箱体左右两侧分别设有一开口8，开口8供左音箱2或右音箱3进出箱体，左音箱2包括一个中低音喇叭和一个高音喇叭，右音箱3包括一个中低音喇叭和一个高音喇叭。左音箱2和右音箱3通过移动机构能够离开或进入箱体从而调节声场宽度，实现立体发声场景。
左音箱2和右音箱3的移动机构相互独立工作，左音箱2和右音箱3移动的距离能够为相同或不同。移动机构第一种结构包括固定部9和移动部10，固定部9连接在箱体内壁上，移动部10固定在左音箱2 或右音箱3上，移动部10与固定部9活动连接并且能够沿固定部9预设水平轨道进行水平移动。
左音箱2和右音箱3位于箱体上部，主音箱1位于箱体的下部，在箱体的上部还设有显示屏4。
箱体的顶部设有拉手5和/或麦克风6的固定孔，箱体的底部设有滑轮7。
左音箱2和右音箱3的移动机构相互配合，左音箱2和右音箱3同步移出箱体或同步进入箱体。如图5所示，移动机构第二结构包括齿轮12和两根齿条，第一齿条13与左音箱2连接，第二齿条14与右音箱3连接，两根齿条都与齿轮12啮合并且在齿轮12旋转时实现左音箱2和右音箱3同向移动或反向移动。
如图6所示，本实用新型电路实现：通过安卓系统安装卡拉OK点歌应用，通过HDMI连接家用电视机实现本机显示点歌界面，而家用电视上显示MV界面的专业点歌系统；利用DSP解码芯片处理话筒和音乐左右声道的音频信号，通过电子分频电路分出超重低音信号与左右两个声道的中高音，然后从不同的3个功放通道放大驱动一个超重低音发声单元和两个中音+两个高音组合音箱的立体声发声单元。
具体还包括DSP音频处理器，DSP音频处理器的输入端分别与电源、信号放大器以及AUX音频输入接口连接，信号放大器的输入端分别为无线话筒接口、有线话筒接口和乐器接口中的一个或多个；DSP音频处理器的输出端通过电子分频+前置放大器与两个功率放大器连接，一个功率放大器与主音箱1连接，另一个功率放大器与左音箱2和右音箱3连接，DSP音频处理器还与耳机放大器和/或蓝牙连接。
还包括安卓核心板，安卓核心板与DSP音频处理器进行信号连接，安卓核心板的输入端与电源、TF储存卡、USB、红外接收头连接，安卓核心板的输出端与显示屏6连接，安卓核心板的输出端通过HDMI连接家用电视机实现本机显示点歌界面。
上面结合附图对本实用新型进行了示例性的描述，显然本实用新 型的实现并不受上述方式的限制，只要采用了本实用新型的方法构思和技术方案进行的各种改进，或未经改进将本实用新型的构思和技术方案直接应用于其它场合的，均在本实用新型的保护范围内。

Claims (10)

  1. 一种可伸缩具有可实现立体发声场景的视频音响，包括箱体，在箱体中设有主音箱(1)、左音箱(2)以及右音箱(3)，所述箱体左右两侧分别设有一开口(8)，所述开口(8)供所述左音箱(2)或所述右音箱(3)进出所述箱体，所述左音箱(2)包括一个中低音喇叭和一个高音喇叭，所述右音箱(3)也包括一个中低音喇叭和一个高音喇叭；所述左音箱(2)和所述右音箱(3)通过移动机构能够离开或进入所述箱体从而调节声场宽度，实现立体发声场景。
  2. 根据权利要求1所述的可伸缩具有可实现立体发声场景的视频音响，其特征在于：所述左音箱(2)和所述右音箱(3)的移动机构相互独立工作，所述左音箱(2)和所述右音箱(3)移动的距离能够为相同或不同。
  3. 根据权利要求2所述的可伸缩具有可实现立体发声场景的视频音响，其特征在于：所述移动机构包括固定部(9)和移动部(10)，所述固定部(9)连接在所述箱体内壁上，所述移动部(10)固定在所述左音箱(2)或所述右音箱(3)上，所述移动部(10)与所述固定部(9)活动连接并且能够沿所述固定部(9)预设水平轨道进行水平移动。
  4. 根据权利要求1所述的可伸缩具有可实现立体发声场景的视频音响，其特征在于：所述左音箱(2)和所述右音箱(3)的移动机构相互配合，所述左音箱(2)和所述右音箱(3)同步移出所述箱体或同步进入所述箱体。
  5. 根据权利要求2所述的可伸缩具有可实现立体发声场景的视频音响，其特征在于：所述移动机构包括齿轮(12)和两根齿条，第一齿条(13)与所述左音箱(2)连接，第二齿条(14)与所述右音箱(3)连接，两根齿条都与所述齿轮(12)啮合并且在所述齿轮(12)旋转时实现所述左音箱(2)和所述右音箱(3)同向移动或反向移动。
  6. 根据权利要求1-5中任何一项所述的可伸缩具有可实现立体发声场景的视频音响，其特征在于：所述左音箱(2)和所述右音箱(3)位于所述箱体上部，所述主音箱(1)位于所述箱体的下部，在所述箱体的上部还设有显示屏(4)。
  7. 根据权利要求6所述的可伸缩具有可实现立体发声场景的视频音响，其特征在于：所述箱体的顶部设有拉手(5)和/或麦克风(6)的固定孔，所述箱体的底部设有滑轮(7)。
  8. 根据权利要求6所述的可伸缩具有可实现立体发声场景的视频音响，其特征在于：还包括DSP音频处理器，所述DSP音频处理器的输入端分别与电源、信号放大器以及AUX音频输入接口连接，所述信号放大器的输入端分别为无线话筒接口、有线话筒接口和乐器接口中的一个或多个；所述DSP音频处理器的输出端通过电子分频+前置放大器与两个功率放大器连接，一个功率放大器与所述主音箱(1)连接，另一个功率放大器与所述左音箱(2)和所述右音箱(3)连接。
  9. 根据权利要求8所述的可伸缩具有可实现立体发声场景的视频音响，其特征在于：所述DSP音频处理器还与耳机放大器和/或蓝牙连接。
  10. 根据权利要求8或9所述的可伸缩具有可实现立体发声场景 的视频音响，其特征在于：还包括安卓核心板，所述安卓核心板与所述DSP音频处理器进行信号连接，所述安卓核心板的输入端与电源、TF储存卡、USB、红外接收头连接，所述安卓核心板的输出端与显示屏(6)连接。
PCT/CN2021/099268 2021-06-08 2021-06-10 一种可伸缩具有可实现立体发声场景的视频音响 WO2022257055A1 (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201051754Y (zh) * 2007-03-02 2008-04-23 梁荣锵 一种可调节的一体化音箱
CN201726520U (zh) * 2010-03-17 2011-01-26 侯永昌 外接式组合音箱装置
CN102647650A (zh) * 2011-02-16 2012-08-22 张志中 音箱
US20130070944A1 (en) * 2011-09-21 2013-03-21 Action Technology (Jian) Co., Ltd. Sound Bar Apparatus for Flat-panel Television
CN208956310U (zh) * 2018-09-29 2019-06-07 广州市华鑫音响设备有限公司 一体便携高保真音响设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201051754Y (zh) * 2007-03-02 2008-04-23 梁荣锵 一种可调节的一体化音箱
CN201726520U (zh) * 2010-03-17 2011-01-26 侯永昌 外接式组合音箱装置
CN102647650A (zh) * 2011-02-16 2012-08-22 张志中 音箱
US20130070944A1 (en) * 2011-09-21 2013-03-21 Action Technology (Jian) Co., Ltd. Sound Bar Apparatus for Flat-panel Television
CN208956310U (zh) * 2018-09-29 2019-06-07 广州市华鑫音响设备有限公司 一体便携高保真音响设备

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